公开(公告)号：US20220321454A1

公开(公告)日：2022-10-06

申请号：US17846564

申请日：2022-06-22

Applicant: Cisco Technology, Inc.

Inventor： Francesco Meo ,  Stig Ingvar Venaas ,  Rahul Savarapu Parameswaran

IPC: H04L45/16 ,  H04L45/02 ,  H04L45/00

Abstract: Systems and methods provide for the dynamic discovery, update and propagation of multicast streams capabilities in a network. An endpoint can be coupled to a first hop router in a network environment. The first hop router can discover multicast flow characteristics information associated with the endpoint and propagate the multicast flow characteristics information of the endpoint to additional network nodes in the network environment. The first hop router and at least a portion of the additional network nodes can form one or more multicast flows associated with the endpoint through the network environment using the multicast flow characteristic information associated with the endpoint.

公开(公告)号：US20240048474A1

公开(公告)日：2024-02-08

申请号：US18488188

申请日：2023-10-17

Applicant: Cisco Technology, Inc.

Inventor： Francisco Meo ,  Stig Ingvar Venaas ,  Rahul Savarapu Parameswaran

IPC: H04L45/16 ,  H04L45/02 ,  H04L45/00

CPC classification number: H04L45/16 ,  H04L45/02 ,  H04L45/34 ,  H04L45/38 ,  H04L65/611

Abstract: Systems and methods provide for the dynamic discovery, update and propagation of multicast streams capabilities in a network. An endpoint can be coupled to a first hop router in a network environment. The first hop router can discover multicast flow characteristics information associated with the endpoint and propagate the multicast flow characteristics information of the endpoint to additional network nodes in the network environment. The first hop router and at least a portion of the additional network nodes can form one or more multicast flows associated with the endpoint through the network environment using the multicast flow characteristic information associated with the endpoint.

公开(公告)号：US20200382411A1

公开(公告)日：2020-12-03

申请号：US16426377

申请日：2019-05-30

Applicant: Cisco Technology, Inc.

Inventor： Francesco Meo ,  Stig Ingvar Venaas ,  Rahul Savarapu Parameswaran

IPC: H04L12/761 ,  H04L12/751 ,  H04L12/721

Abstract: Systems and methods provide for the dynamic discovery, update and propagation of multicast streams capabilities in a network. An endpoint can be coupled to a first hop router in a network environment. The first hop router can discover multicast flow characteristics information associated with the endpoint and propagate the multicast flow characteristics information of the endpoint to additional network nodes in the network environment. The first hop router and at least a portion of the additional network nodes can form one or more multicast flows associated with the endpoint through the network environment using the multicast flow characteristic information associated with the endpoint.

公开(公告)号：US11695686B2

公开(公告)日：2023-07-04

申请号：US17234115

申请日：2021-04-19

Applicant: Cisco Technology, Inc.

Inventor： Francesco Meo ,  Stig Ingvar Venaas ,  Rahul Savarapu Parameswaran ,  Ramakrishnan Chokkanathapuram Sundaram ,  Mankamana Prasad Mishra

IPC: H04L45/16 ,  H04L45/00 ,  H04L45/125

CPC classification number: H04L45/16 ,  H04L45/125 ,  H04L45/32

Abstract: A router node may be configured for communication of multicast traffic in a network fabric which may include a plurality of spine nodes interconnected to a plurality of leaf nodes. The router node may be configured as one of the leaf nodes and serve as a first hop router for multicast traffic. At the router node, a message for flooding the network fabric may be sent based on an indication of communication of multicast traffic for a multicast group from a source device. The message may include at least one spine node identifier of at least one preferred spine node joined to the multicast group at the router node. The message may be for indicating, to at least one of the leaf nodes, to prioritize joining to the multicast group at the at least one preferred spine node according to at least one spine node identifier.

公开(公告)号：US20210243113A1

公开(公告)日：2021-08-05

申请号：US17234115

申请日：2021-04-19

Applicant: Cisco Technology, Inc.

Inventor： Francesco Meo ,  Stig Ingvar Venaas ,  Rahul Savarapu Parameswaran ,  Ramakrishnan Chokkanathapuram Sundaram ,  Mankamana Prasad Mishra

IPC: H04L12/761 ,  H04L12/721 ,  H04L12/729

Abstract: A router node may be configured for communication of multicast traffic in a network fabric which may include a plurality of spine nodes interconnected to a plurality of leaf nodes. The router node may be configured as one of the leaf nodes and serve as a first hop router for multicast traffic. At the router node, a message for flooding the network fabric may be sent based on an indication of communication of multicast traffic for a multicast group from a source device. The message may include at least one spine node identifier of at least one preferred spine node joined to the multicast group at the router node. The message may be for indicating, to at least one of the leaf nodes, to prioritize joining to the multicast group at the at least one preferred spine node according to at least one spine node identifier.

公开(公告)号：US11038794B2

公开(公告)日：2021-06-15

申请号：US16453044

申请日：2019-06-26

Applicant: Cisco Technology, Inc.

Inventor： Francesco Meo ,  Stig Ingvar Venaas ,  Rahul Savarapu Parameswaran ,  Ramakrishnan Chokkanathapuram Sundaram ,  Mankamana Prasad Mishra

IPC: H04L12/761 ,  H04L12/721 ,  H04L12/729

Abstract: A router node may be configured for communication of multicast traffic in a network fabric which may include a plurality of spine nodes interconnected to a plurality of leaf nodes. The router node may be configured as one of the leaf nodes and serve as a first hop router for multicast traffic. At the router node, a message for flooding the network fabric may be sent based on an indication of communication of multicast traffic for a multicast group from a source device. The message may include at least one spine node identifier of at least one preferred spine node joined to the multicast group at the router node. The message may be for indicating, to at least one of the leaf nodes, to prioritize joining to the multicast group at the at least one preferred spine node according to at least one spine node identifier.

公开(公告)号：US11811647B2

公开(公告)日：2023-11-07

申请号：US17846564

申请日：2022-06-22

Applicant: Cisco Technology, Inc.

Inventor： Francesco Meo ,  Stig Ingvar Venaas ,  Rahul Savarapu Parameswaran

IPC: H04L45/16 ,  H04L45/02 ,  H04L45/00 ,  H04L65/611

CPC classification number: H04L45/16 ,  H04L45/02 ,  H04L45/34 ,  H04L45/38 ,  H04L65/611

Abstract: Systems and methods provide for the dynamic discovery, update and propagation of multicast streams capabilities in a network. An endpoint can be coupled to a first hop router in a network environment. The first hop router can discover multicast flow characteristics information associated with the endpoint and propagate the multicast flow characteristics information of the endpoint to additional network nodes in the network environment. The first hop router and at least a portion of the additional network nodes can form one or more multicast flows associated with the endpoint through the network environment using the multicast flow characteristic information associated with the endpoint.

公开(公告)号：US11245618B2

公开(公告)日：2022-02-08

申请号：US16392974

申请日：2019-04-24

Applicant: Cisco Technology, Inc.

Inventor： Rishi Chhibber ,  Roshan Lal ,  Rahul Savarapu Parameswaran ,  Subhasri Dhesikan ,  Mankamana Prasad Mishra ,  Stig Ingvar Venaas

IPC: G06F15/173 ,  H04L12/721 ,  H04L12/761 ,  H04L12/733 ,  H04L12/911 ,  H04L12/741 ,  H04L12/801

Abstract: In one illustrative example, a multicast traceroute facility for a plurality of interconnected router nodes which are configured to communicate IP multicast traffic amongst hosts is described. The multicast traceroute facility may be for use in processing a multicast traceroute batch query packet which indicates a batch of multicast traceroute queries of a batch query, for identifying a plurality of traced paths for a batch of IP multicast traffic flows. Each identified traced path may be associated with one or more links, each of which has a link metric that satisfies a requested link metric (e.g. a link bandwidth). Resources for satisfying the requested link metric may be reserved for a predetermined or specified time period. The batch of IP multicast traffic flows may be established via at least some of the interconnected router nodes according to the plurality of traced paths identified from the query packet processing.

公开(公告)号：US20200344155A1

公开(公告)日：2020-10-29

申请号：US16392974

申请日：2019-04-24

Applicant: Cisco Technology, Inc.

Inventor： Rishi Chhibber ,  Roshan Lal ,  Rahul Savarapu Parameswaran ,  Subhasri Dhesikan ,  Mankamana Prasad Mishra ,  Stig Ingvar Venaas

IPC: H04L12/721 ,  H04L12/761 ,  H04L12/801 ,  H04L12/911 ,  H04L12/741 ,  H04L12/733

Abstract: In one illustrative example, a multicast traceroute facility for a plurality of interconnected router nodes which are configured to communicate IP multicast traffic amongst hosts is described. The multicast traceroute facility may be for use in processing a multicast traceroute batch query packet which indicates a batch of multicast traceroute queries of a batch query, for identifying a plurality of traced paths for a batch of IP multicast traffic flows. Each identified traced path may be associated with one or more links, each of which has a link metric that satisfies a requested link metric (e.g. a link bandwidth). Resources for satisfying the requested link metric may be reserved for a predetermined or specified time period. The batch of IP multicast traffic flows may be established via at least some of the interconnected router nodes according to the plurality of traced paths identified from the query packet processing.